What the hell did Brandi Glanville say about Adrienne Maloof and Paul Nassif on tonight's episode of The Real Housewives of Beverly Hills? I can't believe Bravo left us hanging like this.

There all the ladies were -- minus Adrienne -- tasting appetizers at Lisa Vanderpump's restaurant. The talk quickly turned to Adrienne and her book deal, which no one seemed to believe could possibly be true. Then Brandi started going off about her. "I feel like she lies a lot," she said.

She reiterated some of what she said in Ojai about them trying to get her to Tweet things against Lisa, and how things have escalated and escalated. Then she dropped the HUGE bombshell ...

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... only we have no clue what it was because it was bleeped out. Whatever it was, it was a big one, because everyone was speechless. No one stood up to defend Adrienne, as shocked as they were that Brandi would go THAT far below the belt.

When Adrienne and Paul walked into Mauricio's big agency event, Brandi wasn't worried about anything going down. "I don't think these are the kind of girls that go and tattle," she said. Oh how wrong she was about that.

Kim Richards couldn't wait to pounce and break the news to Paul and Adrienne. She so should have known better than to do it then and there at Mauricio's event, but she did it anyway. And oh boy is she going to have to answer to Kyle for that one later.

She said it was something "private and deep" about their family, but once again, what "it" was exactly was kept from us (Andy Cohen, how could you?!). Whatever it was, it caused them to explode. Adrienne started talking about slapping her with a lawsuit, and Paul could barely contain himself.

As they were storming out, Brandi overheard him calling her a bitch, and then it all hit the fan. There were accusations of character defamation, more name calling, and finger pointing. "You're a piece of sh*t," Paul told Brandi. Adrienne suggested Brandi was a drug addict, and said she sleeps until 3 p.m. and leaves her kids alone. Brandi kept calling them liars.

It was ugly to say the least, and Kyle Richards was freaking out that it was all going down and ruining her husband's event. "Things have gotten so bad I don't even know where we go from here," she said.

It's hard to tell, especially because we don't know what the hell Brandi said. Via tweets before this episode aired, it seems like at least Paul and Brandi have been able to move on since. It doesn't seem like Adrienne and Brandi have ... or ever will. Brandi tweeted, "@DrPaulNassif & I are friends & fine! Obviously he now has been on the other side of AM's lies. He called & apologized 4 coocks accusations RT!"

On her blog Brandi states that she regrets what she said about Adrienne, even if her words were warranted. "We all make mistakes, and if I could take this back I would. Trust me! I can't, so now I just have to deal. Boy is it going to be expensive!"

So WHAT was it? I suppose it could be about their divorce, but they seem way too united at this point in the show for that to be it. There are the allegations about Adrienne using a surrogate to have her children that have come up, which I think is probably most likely. And there are allegations about Paul abusing his kids and Adrienne. But somehow I didn't get a sense that it was any of these things. I got the sense it was something even bigger ... or maybe that's just what Bravo wants us to think.